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In Reply to: RE: Output impedance of a DAC to input impedance of Power amp?????? posted by georgehifi on August 11, 2014 at 23:07:51:
"As for frequency response no tube poweramp's output transformer I know of, can attain 100khz......"
OK, but is that a good reason/excuse to add more phase shift in the audio band when it could otherwise be prevented?
Have a listen to 2.5k driving 600pF then drop that to 150pF. I would bet you will hear the difference even through an output transformer that can't make 50kHz flat.
Tre'
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Follow Ups
- RE: Output impedance of a DAC to input impedance of Power amp?????? - Tre' 07:25:30 08/12/14 (1)
- RE: Output impedance of a DAC to input impedance of Power amp?????? - georgehifi 14:29:38 08/12/14 (0)
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